OPT-2501 Cntct Lns Theory I Unit 6

Question 1

A CHANGE IN WHICH OF THE FOLLOWING WILL MOST
NOTICEABLY AFFECT THE LENS-CORNEA RELATIONSHIP OF A
SOFT LENS?

Answer 1

DIAMETER

Question 2

EXCESSIVE MOVEMENT OF A SOFT LENS CAN BE CORRECTED BY:

Answer 2

A LARGER DIAMETER

Question 3

WHICH OF THE FOLLOWING SHOULD BE CONSIDERED WHEN DETERMINING THE LENS MATERIAL TO BE USED?

1. PART TIME VS FULL TIME WEAR
2. WORK CONDITIONS
3. SLIT LAMP EVALUATION WITH FLUORESCEIN

Answer 3

ALL

Question 4

WHAT MATERIAL WOULD BE USED FOR SOMEONE INTERESTED IN

INTERMITTENT WEAR?

Answer 4

HEMA

Question 5

NSUFFICIENT MOVEMENT OF A SOFT LENS CAN BE CORRECTED

BY:

Answer 5

A SMALLER DIAMETER

Question 6

A TIGHT FITTING SOFT CONTACT LENS HAS THE FOLLOWING

CHARACTERISTICS EXCEPT:

Answer 6

EDGE STAND OFF

Question 7

IN CHOOSING THE DIAMETER OF A SOFT LENS, WHAT IS THE

GENERAL RULE OF THUMB?

Answer 7

2.0mm LARGER THAN THE HVID

Question 8

THE “DK” VALUE OF A CONTACT LENS MATERIAL INDICATES

IT’S:

Answer 8

PERMEABILITY